Other Problems - Lenovo V145-14AST User Manual

Chapter 4. Troubleshooting

Other problems

Your computer does not respond.
„
• To turn off your computer, press and hold the Power button for eight
seconds or more. If the computer still does not respond, remove the ac
power adapter.
• Your computer might lock when it enters sleep mode during a
communication operation. Disable the sleep timer when you are working
on the network.
- To disable the sleep timer, click Start → Settings → System → Power &
sleep; under Sleep, select Never in the pull down menu.
A connected external device does not work.
„
• Do not connect or disconnect any external device cables other than USB
while the computer power is on. Otherwise, you might damage your
computer.
• When using high power consumption external devices such as an external
USB optical disk drive, use an external device power adapter. Otherwise,
the device may not be recognized, and the system may shut down as a
result.
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